diff --git a/Chapter 3/fix_quiz.c b/Chapter 3/fix_quiz.c
new file mode 100644
index 0000000..fe53f1d
--- /dev/null
+++ b/Chapter 3/fix_quiz.c	
@@ -0,0 +1,38 @@
+// Corrected student grade logic for practice problem
+#include <stdio.h>
+
+int main(){
+    int marks;
+    printf("Enter marks:");
+    scanf("%d", &marks);
+
+    if (marks >= 90 && marks <= 100)
+    {
+        printf("Grade : A");
+
+    }
+    else if (marks >= 80 && marks<90)
+    {
+        printf("Grade : B");
+    }
+    else if (marks >= 70 && marks<80)
+    {
+        printf("Grade : C");
+    }
+    
+    else if (marks >= 60 && marks<70)
+    {
+        printf("Grade : D");
+    }
+    
+    else if (marks >= 50 && marks<60)
+    {
+        printf("Grade : E");
+    }
+    else{
+        printf("Grade : F");
+    }
+    
+    
+    return 0;
+}
\ No newline at end of file